the straight low
The absolute, unadulterated truth. You've got to give your clients the straight low as soon as possible to salvage any of this. They're going to find out one way or another, so you might as well do it now. I just feel like these doctors are never giving me the straight low about her condition.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
Sl. the absolute truth. (From lowdown = the story; the truth.) Can you give me the straight low on this mess? Nobody ain't gonna tell no warden the straight low; you can be sure of that.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
n. the absolute truth; the true lowdown. (Prisons.) Nobody ain’t gonna tell no warden the straight low; you can be sure of that.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.